In the rich text editor:
@KMTryingToDraw
In a comment:
[KMTryingToDraw](https://chowlings.com/user/KMTryingToDraw)
For Names and Avatars:
In the rich text editor:
%KMTryingToDraw
In a comment:
[![KMTryingToDraw's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/KMTryingToDraw) [KMTryingToDraw](https://chowlings.com/user/KMTryingToDraw)